Home / 26,119.20-39,165.78-8,347.56

Finding the Fourth Proportional to 26,119.20, 39,165.78 and 8,347.56

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Solution

The fourth proportional to 26,119.20, 39,165.78 and 8,347.56 is: 12,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.20 : 39,165.78 = 8,347.56 : x
  2. Step 2: Convert to fraction form
    26,119.20/39,165.78 = 8,347.56/x
  3. Step 3: Cross multiply
    26,119.20x = 39,165.78 × 8,347.56
  4. Step 4: Simplify right side
    26,119.20x = 326,938,698.50
  5. Step 5: Solve for x
    x = 326,938,698.50/26,119.20
  6. Step 6: Final answer
    x = 12,517.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.